放下手机用英语是"put down your phone"。

"Put down" 是一个常用语，意思是放下，停止使用。"Your phone" 是指你的手机。

例句：

Please put down your phone and pay attention to the meeting.（请放下你的手机，专心参加会议。）

I put down my phone and went outside to enjoy the beautiful scenery.（我放下我的手机，走出去享受美丽的风景。）

She put down her phone and started reading a book.（她放下了手机，开始看书。）